<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
	String basePath = request.getScheme() + "://"
			+ request.getServerName() + ":" + request.getServerPort()
			+ request.getContextPath() + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<title>Insert title here</title>
</head>
<body>
<form action="echo.jsp">
 名字:<input type="text" name="username" value=""><br/>
 爱好1:<input type="checkbox" name="favorite" value="basball">篮球<br/>
 爱好2：<input type="checkbox" name="favorite" value="football">足球<br/>
 爱好3：<input type="checkbox" name="favorite" value="voliball">排球<br/>
 <input type="submit" value="提交"><br/>


<a href="echo.jsp?username=李四">测试URL传参数</a>

</form>
</body>
</html>